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I am using a siemens TP 270 HMI and am having some trouble password protecting the recipe screen in WinCC Flexible 2005. I have changed the authorization under the security section to admin etc and it seems to work in runtime.

However when I try to make the changes on site I have no luck. Everytime I press the recipe view, the program prompts me for a user name as password which I enter as expected but when I go to press the recipe view again I am prompted for the user name and password again. I know the user name and password are correct but it just keeps promtping me for the details without actually allowing me to make recipe changes.

Any help would be greatly appreciated, or if you know of some detailed instructions on how to set a password would be great.